acpivar.h revision 1.72 1 /* $NetBSD: acpivar.h,v 1.72 2011/06/21 03:37:21 jruoho Exp $ */
2
3 /*
4 * Copyright 2001 Wasabi Systems, Inc.
5 * All rights reserved.
6 *
7 * Written by Jason R. Thorpe for Wasabi Systems, Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed for the NetBSD Project by
20 * Wasabi Systems, Inc.
21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 * or promote products derived from this software without specific prior
23 * written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 */
37
38 #ifndef _SYS_DEV_ACPI_ACPIVAR_H
39 #define _SYS_DEV_ACPI_ACPIVAR_H
40
41 /*
42 * This file defines the ACPI interface provided to the rest of the
43 * kernel, as well as the autoconfiguration structures for ACPI
44 * support.
45 */
46
47 #include <sys/bus.h>
48 #include <dev/pci/pcivar.h>
49 #include <dev/isa/isavar.h>
50
51 #include <dev/acpi/acpica.h>
52 #include <dev/acpi/acpi_util.h>
53
54 #include <dev/sysmon/sysmonvar.h>
55
56 /*
57 * This structure is used to attach the ACPI "bus".
58 */
59 struct acpibus_attach_args {
60 bus_space_tag_t aa_iot; /* PCI I/O space tag */
61 bus_space_tag_t aa_memt; /* PCI MEM space tag */
62 pci_chipset_tag_t aa_pc; /* PCI chipset */
63 int aa_pciflags; /* PCI bus flags */
64 isa_chipset_tag_t aa_ic; /* ISA chipset */
65 };
66
67 /*
68 * PCI information for ACPI device nodes that correspond to PCI devices.
69 *
70 * Remarks:
71 *
72 * ap_bus <= 255
73 * ap_device <= 31
74 * ap_function <= 7 or ap_function == 0xFFFF
75 * ap_downbus <= 255
76 *
77 * Validity of some fields depends on the value of ap_flags:
78 *
79 * ap_segment always valid
80 * ap_bus, ap_device, ap_function valid for PCI devices
81 * ap_downbus valid for PCI bridges
82 *
83 * The device and function numbers are encoded in the value returned by
84 * _ADR. A function number of 0xFFFF is used to refer to all the
85 * functions on a PCI device (ACPI 4.0a, p. 200).
86 */
87 struct acpi_pci_info {
88 uint16_t ap_flags; /* Flags (cf. below) */
89 uint16_t ap_segment; /* PCI segment group */
90 uint16_t ap_bus; /* PCI bus */
91 uint16_t ap_device; /* PCI device */
92 uint16_t ap_function; /* PCI function */
93 uint16_t ap_downbus; /* PCI bridge downstream bus */
94 };
95
96 /*
97 * Flags for PCI information.
98 */
99 #define ACPI_PCI_INFO_DEVICE __BIT(0) /* PCI device */
100 #define ACPI_PCI_INFO_BRIDGE __BIT(1) /* PCI bridge */
101
102 /*
103 * An ACPI device node.
104 *
105 * Remarks:
106 *
107 * ad_device NULL if no device has attached to the node
108 * ad_root never NULL
109 * ad_parent only NULL if root of the tree ("\")
110 * ad_pciinfo NULL if not a PCI device
111 * ad_wakedev NULL if no wakeup capabilities
112 * ad_notify NULL if there is no notify handler
113 * ad_devinfo never NULL
114 * ad_handle never NULL
115 *
116 * Each ACPI device node is associated with its handle. The function
117 * acpi_match_node() can be used to get the node structure from a handle.
118 */
119 struct acpi_devnode {
120 device_t ad_device; /* Device */
121 device_t ad_root; /* Backpointer to acpi_softc */
122 struct acpi_devnode *ad_parent; /* Backpointer to parent */
123 struct acpi_pci_info *ad_pciinfo; /* PCI info */
124 struct acpi_wakedev *ad_wakedev; /* Device wake */
125 ACPI_NOTIFY_HANDLER ad_notify; /* Device notify */
126 ACPI_DEVICE_INFO *ad_devinfo; /* Device info */
127 ACPI_HANDLE ad_handle; /* Device handle */
128 char ad_name[5]; /* Device name */
129 uint32_t ad_flags; /* Device flags */
130 uint32_t ad_type; /* Device type */
131 int ad_state; /* Device power state */
132
133 SIMPLEQ_ENTRY(acpi_devnode) ad_list;
134 SIMPLEQ_ENTRY(acpi_devnode) ad_child_list;
135 SIMPLEQ_HEAD(, acpi_devnode) ad_child_head;
136 };
137
138 /*
139 * ACPI driver capabilities (ad_flags).
140 */
141 #define ACPI_DEVICE_POWER __BIT(0) /* Support for D-states */
142 #define ACPI_DEVICE_WAKEUP __BIT(1) /* Support for wake-up */
143 #define ACPI_DEVICE_EJECT __BIT(2) /* Support for "ejection" */
144 #define ACPI_DEVICE_DOCK __BIT(3) /* Support for docking */
145
146 /*
147 * Software state of the ACPI subsystem.
148 */
149 struct acpi_softc {
150 device_t sc_dev; /* base device info */
151 device_t sc_apmbus; /* APM pseudo-bus */
152 device_t sc_hpet; /* hpet(4) pseudo-bus */
153 device_t sc_wdrt; /* acpiwdrt(4) pseudo-bus */
154
155 struct acpi_devnode *sc_root; /* root of the device tree */
156
157 bus_space_tag_t sc_iot; /* PCI I/O space tag */
158 bus_space_tag_t sc_memt; /* PCI MEM space tag */
159 pci_chipset_tag_t sc_pc; /* PCI chipset tag */
160 int sc_pciflags; /* PCI bus flags */
161 int sc_pci_bus; /* internal PCI fixup */
162 isa_chipset_tag_t sc_ic; /* ISA chipset tag */
163
164 void *sc_sdhook; /* shutdown hook */
165
166 int sc_quirks;
167 int sc_sleepstate;
168 int sc_sleepstates;
169
170 struct sysmon_pswitch sc_smpsw_power;
171 struct sysmon_pswitch sc_smpsw_sleep;
172
173 SIMPLEQ_HEAD(, acpi_devnode) ad_head;
174 };
175
176 /*
177 * acpi_attach_args:
178 *
179 * Used to attach a device instance to the acpi "bus".
180 */
181 struct acpi_attach_args {
182 struct acpi_devnode *aa_node; /* ACPI device node */
183 bus_space_tag_t aa_iot; /* PCI I/O space tag */
184 bus_space_tag_t aa_memt; /* PCI MEM space tag */
185 pci_chipset_tag_t aa_pc; /* PCI chipset tag */
186 int aa_pciflags; /* PCI bus flags */
187 isa_chipset_tag_t aa_ic; /* ISA chipset */
188 };
189
190 /*
191 * ACPI resources:
192 *
193 * acpi_io I/O ports
194 * acpi_iorange I/O port range
195 * acpi_mem memory region
196 * acpi_memrange memory range
197 * acpi_irq Interrupt Request
198 * acpi_drq DMA request
199 */
200 struct acpi_io {
201 SIMPLEQ_ENTRY(acpi_io) ar_list;
202 int ar_index;
203 uint32_t ar_base;
204 uint32_t ar_length;
205 };
206
207 struct acpi_iorange {
208 SIMPLEQ_ENTRY(acpi_iorange) ar_list;
209 int ar_index;
210 uint32_t ar_low;
211 uint32_t ar_high;
212 uint32_t ar_length;
213 uint32_t ar_align;
214 };
215
216 struct acpi_mem {
217 SIMPLEQ_ENTRY(acpi_mem) ar_list;
218 int ar_index;
219 uint32_t ar_base;
220 uint32_t ar_length;
221 };
222
223 struct acpi_memrange {
224 SIMPLEQ_ENTRY(acpi_memrange) ar_list;
225 int ar_index;
226 uint32_t ar_low;
227 uint32_t ar_high;
228 uint32_t ar_length;
229 uint32_t ar_align;
230 };
231
232 struct acpi_irq {
233 SIMPLEQ_ENTRY(acpi_irq) ar_list;
234 int ar_index;
235 uint32_t ar_irq;
236 uint32_t ar_type;
237 };
238
239 struct acpi_drq {
240 SIMPLEQ_ENTRY(acpi_drq) ar_list;
241 int ar_index;
242 uint32_t ar_drq;
243 };
244
245 struct acpi_resources {
246 SIMPLEQ_HEAD(, acpi_io) ar_io;
247 int ar_nio;
248
249 SIMPLEQ_HEAD(, acpi_iorange) ar_iorange;
250 int ar_niorange;
251
252 SIMPLEQ_HEAD(, acpi_mem) ar_mem;
253 int ar_nmem;
254
255 SIMPLEQ_HEAD(, acpi_memrange) ar_memrange;
256 int ar_nmemrange;
257
258 SIMPLEQ_HEAD(, acpi_irq) ar_irq;
259 int ar_nirq;
260
261 SIMPLEQ_HEAD(, acpi_drq) ar_drq;
262 int ar_ndrq;
263 };
264
265 /*
266 * acpi_resource_parse_ops:
267 *
268 * The client of ACPI resources specifies these operations
269 * when the resources are parsed.
270 */
271 struct acpi_resource_parse_ops {
272 void (*init)(device_t, void *, void **);
273 void (*fini)(device_t, void *);
274
275 void (*ioport)(device_t, void *, uint32_t, uint32_t);
276 void (*iorange)(device_t, void *, uint32_t, uint32_t,
277 uint32_t, uint32_t);
278
279 void (*memory)(device_t, void *, uint32_t, uint32_t);
280 void (*memrange)(device_t, void *, uint32_t, uint32_t,
281 uint32_t, uint32_t);
282
283 void (*irq)(device_t, void *, uint32_t, uint32_t);
284 void (*drq)(device_t, void *, uint32_t);
285
286 void (*start_dep)(device_t, void *, int);
287 void (*end_dep)(device_t, void *);
288 };
289
290 extern struct acpi_softc *acpi_softc;
291 extern int acpi_active;
292
293 extern const struct acpi_resource_parse_ops acpi_resource_parse_ops_default;
294 extern const struct acpi_resource_parse_ops acpi_resource_parse_ops_quiet;
295
296 int acpi_probe(void);
297 void acpi_disable(void);
298 int acpi_check(device_t, const char *);
299
300 ACPI_PHYSICAL_ADDRESS acpi_OsGetRootPointer(void);
301
302 bool acpi_register_notify(struct acpi_devnode *,
303 ACPI_NOTIFY_HANDLER);
304 void acpi_deregister_notify(struct acpi_devnode *);
305
306 ACPI_STATUS acpi_resource_parse(device_t, ACPI_HANDLE, const char *,
307 void *, const struct acpi_resource_parse_ops *);
308 void acpi_resource_print(device_t, struct acpi_resources *);
309 void acpi_resource_cleanup(struct acpi_resources *);
310
311 void * acpi_pci_link_devbyhandle(ACPI_HANDLE);
312 void acpi_pci_link_add_reference(void *, int, int, int, int);
313 int acpi_pci_link_route_interrupt(void *, int, int *, int *, int *);
314 char * acpi_pci_link_name(void *);
315 ACPI_HANDLE acpi_pci_link_handle(void *);
316 void acpi_pci_link_state(void);
317 void acpi_pci_link_resume(void);
318
319 struct acpi_io *acpi_res_io(struct acpi_resources *, int);
320 struct acpi_iorange *acpi_res_iorange(struct acpi_resources *, int);
321 struct acpi_mem *acpi_res_mem(struct acpi_resources *, int);
322 struct acpi_memrange *acpi_res_memrange(struct acpi_resources *, int);
323 struct acpi_irq *acpi_res_irq(struct acpi_resources *, int);
324 struct acpi_drq *acpi_res_drq(struct acpi_resources *, int);
325
326 /*
327 * Sleep state transition.
328 */
329 void acpi_enter_sleep_state(int);
330
331 /*
332 * MADT.
333 */
334 #define ACPI_PLATFORM_INT_PMI 1
335 #define ACPI_PLATFORM_INT_INIT 2
336 #define ACPI_PLATFORM_INT_CERR 3
337
338 ACPI_STATUS acpi_madt_map(void);
339 void acpi_madt_unmap(void);
340 void acpi_madt_walk(ACPI_STATUS (*)(ACPI_SUBTABLE_HEADER *,
341 void *), void *);
342
343 /*
344 * Quirk handling.
345 */
346 struct acpi_quirk {
347 const char *aq_tabletype; /* Type of table */
348 const char *aq_oemid; /* "OemId" field */
349 int aq_oemrev; /* "OemRev" field */
350 int aq_cmpop; /* "OemRev" comparison */
351 const char *aq_tabid; /* "TableId */
352 int aq_quirks; /* The actual quirk */
353 };
354
355 #define ACPI_QUIRK_BROKEN 0x00000001 /* totally broken */
356 #define ACPI_QUIRK_BADPCI 0x00000002 /* bad PCI hierarchy */
357 #define ACPI_QUIRK_BADBBN 0x00000004 /* _BBN broken */
358 #define ACPI_QUIRK_IRQ0 0x00000008 /* bad 0->2 irq override */
359 #define ACPI_QUIRK_OLDBIOS 0x00000010 /* BIOS date blacklisted */
360
361 int acpi_find_quirks(void);
362 int acpi_quirks_osi_add(const char *);
363 int acpi_quirks_osi_del(const char *);
364
365 #ifdef ACPI_DEBUG
366 void acpi_debug_init(void);
367 #endif
368
369 /*
370 * Misc routines with vectors updated by acpiverbose module.
371 */
372 extern void (*acpi_print_verbose)(struct acpi_softc *);
373 extern void (*acpi_print_dev)(const char *);
374
375 void acpi_load_verbose(void);
376 extern int acpi_verbose_loaded;
377
378 #endif /* !_SYS_DEV_ACPI_ACPIVAR_H */
379